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Finding the Fourth Proportional to 122,898.44, 184,419.22 and 51,816.62

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Solution

The fourth proportional to 122,898.44, 184,419.22 and 51,816.62 is: 77,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,898.44 : 184,419.22 = 51,816.62 : x
  2. Step 2: Convert to fraction form
    122,898.44/184,419.22 = 51,816.62/x
  3. Step 3: Cross multiply
    122,898.44x = 184,419.22 × 51,816.62
  4. Step 4: Simplify right side
    122,898.44x = 9,555,980,643.44
  5. Step 5: Solve for x
    x = 9,555,980,643.44/122,898.44
  6. Step 6: Final answer
    x = 77,755.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.